What are you using for 8 3/4 pinion seal?

i use Timken 7216 or SKF 18912 or Rat 6103 from Summit racing all these are rubber seals for the 742 case ,, which seal did you order ,, the sleeve is hammered on over the yoke surface using the install tool supplied ,, if you need more info go to the speedi-sleeve website and it will show installation or U-tube it